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Population of Ilsandong-gu, Goyang-si

Resident registration data, June 2026 (MOIS)

Total population298,269people
Average age44.8yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s👑 50s60s70s80s90s100+8,27013,66016,96820,67021,18326,55222,8069,6653,965684127,98813,02617,73420,69222,32328,92123,37010,9716,9891,78238

Male 144,435Female 153,834

Age structure

Unit: %

Youth 9.9%Working age 70.9%Seniors 19.2%9.9%70.9%19.2%

Youth 9.9%Working age 70.9%Seniors 19.2%

50s is the largest group, at 55,473 people.

Population change

Change over time

4-year trend

Unit: people

299,065 in 2022292,895 in 2023294,208 in 2024293,043 in 2025298,269 in 202620222023202420252026

299,065 in 2022298,269 in 2026

Barely changed over the past 4 years.

Population ranking

Baekseok-dong has the largest population of the 13 neighborhoods.

Population by region

13
  • YoungestSiksa-dong41.2 yrs
  • OldestJiyeong-dong60.9 yrs

There is a 19.7-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Baekseok-dong48,03016.1%46 yrs
Janghang-dong46,28215.5%41.7 yrs
Jungsan-dong42,46214.2%47.3 yrs
Pung-dong41,69814%44.2 yrs
Siksa-dong40,21713.5%41.2 yrs
Madu-dong37,32112.5%44.4 yrs
Jeongbalsan-dong21,0127%47.2 yrs
Seongseok-dong9,5993.2%48.8 yrs
Sarihyeon-dong5,9462%49.4 yrs
Seolmun-dong2,5960.9%53.4 yrs
Munbong-dong1,8750.6%54.9 yrs
Jiyeong-dong7370.2%60.9 yrs
Sanhwang-dong4940.2%53.5 yrs

The top three areas hold 45.9% of the population of Ilsandong-gu, Goyang-si.

Other regions

Other districts in Gyeonggi

16

Frequently asked questions❓

Ilsandong-gu, Goyang-si has 298,269 residents as of June 2026., 5,226 more than a year earlier.
Baekseok-dong, home to 48,030 residents — 16.1% of Ilsandong-gu, Goyang-si.
It is 44.8 as of June 2026., 0.8 years below the national average of 45.6. Among its neighborhoods, Siksa-dong is youngest at 41.2 and Jiyeong-dong oldest at 60.9.
It fell 0.3% over 4 years, from 299,065 in 2022 to 298,269 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.

Sources 🌐